<!--********************************************************************
* Copyright© 2000 - 2025 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!--********************************************************************
* 该示例需要引入 
* Mapv (https://github.com/huiyan-fe/mapv)
*********************************************************************-->
<!DOCTYPE html>
<html lang="en-US">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=Edge">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">

    <title data-i18n="resources.title_mapvPolylineIntensity"></title>
    <style>
        body {
            margin: 0;
            padding: 0;
        }

        #map {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 100%;
        }
        .mapboxgl-popup-close-button {
          outline: none;
        }
    </style>
    <script type="text/javascript" include="jquery" src="../js/include-web.js"></script>
    <script type="text/javascript" include="mapv" src="../../dist/mapboxgl/include-mapboxgl.js"></script>
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%">
<div id="map"></div>
<script type="text/javascript">
    var attribution = "<a href='https://www.mapbox.com/about/maps/' target='_blank'>© Mapbox </a>" +
            " with <span>© <a href='https://iclient.supermap.io' target='_blank'>SuperMap iClient</a> | </span>" +
            " Map Data <span>© <a href='http://support.supermap.com.cn/product/iServer.aspx' target='_blank'>SuperMap iServer</a> | </span>" +
            "<a href='https://mapv.baidu.com' target='_blank'>© 2018 百度 MapV</a>";
    var host = window.isLocal ? window.server : "https://iserver.supermap.io";
    var tileURL = host + "/iserver/services/map-china/rest/maps/ChinaDark/zxyTileImage.png?z={z}&x={x}&y={y}";
    var map = new mapboxgl.Map({
        container: 'map',
        style: {
            "version": 8,
            "sources": {
                "raster-tiles": {
                    "attribution": attribution,
                    "type": "raster",
                    "tiles": [tileURL],
                    "tileSize": 256,
                },
            },
            "layers": [{
                "id": "simple-tiles",
                "type": "raster",
                "source": "raster-tiles",
                "minzoom": 0,
                "maxzoom": 22
            }]
        },
        center: [112, 37.94],
        zoom: 4
    });
    map.addControl(new mapboxgl.NavigationControl(), 'top-left');
    map.addControl(new mapboxgl.supermap.LogoControl({ link: "https://iclient.supermap.io" }), 'bottom-right');
    new mapboxgl.Popup({closeOnClick: false})
        .setLngLat(map.getCenter())
        .setHTML(resources.text_iClient)
        .addTo(map);

    var randomCount = 1000;
    var data = [];
    var citys = ["北京", "天津", "上海", "重庆", "石家庄", "太原", "呼和浩特", "哈尔滨", "长春", "沈阳", "济南", "南京", "合肥", "杭州", "南昌", "福州", "郑州", "武汉", "长沙", "广州", "南宁", "西安", "银川", "兰州", "西宁", "乌鲁木齐", "成都", "贵阳", "昆明", "拉萨", "海口"];
    // 构造数据
    while (randomCount--) {
        var cityCenter1 = mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)]);
        var cityCenter2 = mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)]);
        data.push({
            geometry: {
                type: 'LineString',
                coordinates: [[cityCenter1.lng - 1 + Math.random() * 1, cityCenter1.lat - 1 + Math.random() * 1],
                    [cityCenter2.lng - 1 + Math.random() * 1, cityCenter2.lat - 1 + Math.random() * 1]
                ]
            },
            count: 30 * Math.random()
        });
    }
    var dataSet = new mapv.DataSet(data);
    var options = {
        gradient: {
            0: 'blue',
            0.5: 'yellow',
            1: 'red'
        },
        lineWidth: 0.5,
        max: 30,
        draw: 'intensity'
    };
   map.on('load', function() {
    var mapVlayer = new mapboxgl.supermap.MapvLayer(dataSet, options);
    map.addLayer(mapVlayer);
   })

</script>
</body>
</html>
